My Tikka is fast, I get right at published velocities for 24in barrels with the factory barrel. Tight chamber or fast barrel, whatever. It's also very accurate. I've used two different cronos to test.

120 BTs and H4895 3080fps, this is the load I use, low recoil, kills elk and deer easily, just well balanced in a light rifle.

Big Game I've gotten 3160 with the 120 BT

Staball 6.5, 139gr SST, I've gotten 3035, 3011, 3015 with max 51gr... and 2989, 3002 with 50gr. In a light gun it really jumped/recoiled, primers a bit flat and ejector marks, bolt lift was fine. Overall I don't like the balance of rifle and load. Dropped down to 48gr and it averaged about 2880fps, much better to shoot.

Kent